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United States Patent | 5,784,136 |
Ando ,   et al. | July 21, 1998 |
A liquid crystal layer composing a liquid crystal display apparatus is formed by being laminated with a plurality of single particle layers of liquid crystal micro-capsules having a uniform size and being arranged in a two-dimensional crystal array, the liquid crystal micro-capsule being formed by cladding a liquid crystal droplet with a medium having a constant thickness. The liquid crystal micro-capsule is formed by being cladded with a medium composed of gelatine and gum arabic. Further, the single particle layer has a filling medium for making the surface flat and filling the gaps among the liquid crystal micro-capsules. The filling medium is composed of gelatine and gum arabic.
Inventors: | Ando; Masahiko (Hitachinaka, JP); Komura; Shinichi (Hitachi, JP); Tsumura; Makoto (Hitachi, JP); Nagae; Yoshiharu (Hitachi, JP) |
Assignee: | Hitachi, Ltd. (Tokyo, JP) |
Appl. No.: | 709738 |
Filed: | September 9, 1996 |
Sep 20, 1995[JP] | 7-241231 |
Current U.S. Class: | 349/86; 349/92; 349/165 |
Intern'l Class: | G02F 001/133.3; C09K 019/60 |
Field of Search: | 349/86,89,90,165,92 |
5011624 | Apr., 1991 | Yamagishi et al. | 349/89. |
5056898 | Oct., 1991 | Ma et al. | 349/89. |
5096282 | Mar., 1992 | Margerum et al. | 349/86. |
5394256 | Feb., 1995 | Yamada et al. | 349/90. |
5410424 | Apr., 1995 | Konuma et al. | 349/90. |
5530567 | Jun., 1996 | Takei | 349/89. |
5585947 | Dec., 1996 | Havens et al. | 349/90. |
5619353 | Apr., 1997 | Yamazaki et al. | 349/89. |
5619354 | Apr., 1997 | Shimizu et al. | 349/89. |